In the new millennium, trade economists have argued that the international fragmentation of production should bring significant benefits to developing countries.  But do developing countries actually reap some of these benefits?    Value-added (VA) trade measures can contribute greatly to our understanding

of global supply-chain trade by helping us answer four key questions. Do developing countries actually participate in these supply chains?  What role do firms in developing countries play in these chains?  Will developing country participation in supply chains generate protectionist sentiment in industrial countries?  Will the supply-chain trade come at the cost of the environment?